hook bugfix

init.lua

@@ -11,6 +11,7 @@
 
     History:
     2017-06-04  v0.01  first version
+    2017-06-06  v0.02  Hook bugfix
 ]]--
 
 
@@ -311,9 +312,16 @@ minetest.register_node("towercrane:base", {
         local height = meta:get_int("height")
         local width = meta:get_int("width")
 
+        -- remove crane
         if dir ~= nil and height ~= nil and width ~= nil then
            dig_crane(pos, dir, height, width)
         end
+        -- remove hook
+        local id = minetest.hash_node_position(pos)
+        if towercrane.id then
+            towercrane.id:remove()
+            towercrane.id = nil
+        end
     end,
 })
 
@@ -383,8 +391,6 @@ minetest.register_node("towercrane:mast_ctrl_on", {
         if towercrane.id then
             towercrane.id:remove()
             towercrane.id = nil
-    else
-    
         end
     end,